ProMag S&W 910/915/459/5900 Magazine 9mm Blued Steel 15/rd

A double-stack 15-rd magazine for the Smith & Wesson 910, 915, 459, and 5900 series of pistols in 9mm. Constructed from heat-treated blued-steel, with a follower, lock-plate, and base-plate molded from a proprietary DuPont Zytel based black polymer; and using a spring wound from Chrome-silicon wire and heat-treated for strength and reliability. Made in the U.S.A.